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      <title>CVE-2026-40252 — Broken Access Control (IDOR) Leading to Cross-Tenant Application Access in FastGPT</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-40252</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; labring FastGPT&lt;/p&gt;
&lt;p&gt;FastGPT is an AI Agent building platform. Prior to 4.14.10.4, Broken Access Control vulnerability (IDOR/BOLA) allows any authenticated team to access and execute applications belonging to other teams by supplying a foreign appId. While the API correctly validates the team token, it does not verify that the requested application belongs to the authenticated team. This leads to cross-tenant data exposure and unauthorized execution of private AI workflows. This vulnerability is fixed in 4.14.10.4.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; labring FastGPT&lt;/p&gt;
&lt;p&gt;FastGPT is an AI Agent building platform. Prior to 4.14.10.4, Broken Access Control vulnerability (IDOR/BOLA) allows any authenticated team to access and execute applications belonging to other teams by supplying a foreign appId. While the API correctly validates the team token, it does not verify that the requested application belongs to the authenticated team. This leads to cross-tenant data exposure and unauthorized execution of private AI workflows. This vulnerability is fixed in 4.14.10.4.&lt;/p&gt;</content:encoded>
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